Infrared cameras; telescopes; binoculars; lenses for telescopes; autocollimators; lorgnettes; telescopic sights for artillery; telescopic sights for firearms; zenith telescope; passive infrared detectors; infrared detectors; infrared sensors; optical sensors; photoelectric sensors; electrical and electronic burglar alarms; optical inspection apparatus; thermal imaging monoculars and binoculars; night vision monoculars and binoculars;protection device for personal use against traffic accidents...